用流通微通道和较低交替电压的基因电转移产生了来自人类淋巴细胞细胞系的诱导多能细胞
Miho Ishii-Teshima1,2, Koki Maeda1, Kazuki Hanauchi3
1Department of Mechanical Engineering, Toyohashi University of Technology, Toyohashi, Japan.
PloS one
|September 26, 2025
概括
一个新的微通道流通电穿孔器使得从淋巴细胞细胞系 (LCLs) 产生诱导多能干细胞 (iPSCs) 的经济有效的产生成为可能. 这项技术降低了成本,并允许对各种LCL基因型进行并行处理,推动了iPSC研究.
科学领域:
- 干细胞生物学 干细胞生物学
- 生物技术是生物技术.
- 基因工程是一种基因工程.
背景情况:
- 诱导多能干细胞 (iPSCs) 对于疾病建模至关重要,特别是在罕见的遗传疾病中.
- 生成iPSC通常涉及重新编程淋巴细胞细胞系 (LCLs) 使用传统的批量电阻器,这是昂贵和低效的大规模,多样化的样本处理.
研究的目的:
- 开发一种使用微通道技术的新型通流电穿孔器,以克服 iPSC 生产传统散装电穿孔器的局限性.
- 为了降低成本并提高从LCL生成iPSC的可扩展性,使不同基因型的并行处理成为可能.
主要方法:
- 设计了一种流通式电穿孔器,配有微通道和微尺度的电极,应用双相交替电压的连续波.
- 使用数值模拟来分析电场分布和孔隙形成.
- 优化涉及绿色光蛋白 (GFP) 的基因电转移,并随后将重编程因子传递给LCLs.
主要成果:
- 流通式电穿孔器实现了31%的传染效率,细胞生存率为78%.
- 该系统需要最小的细胞悬浮体积 (3μL),并证明了有效的基因传递.
- 获得了0.048%的重编程效率,与传统方法相比,成本和体积降低.
结论:
- 开发的微通道流通电穿孔器在iPSC生成的传统方法上提供了显著的进步.
- 该系统可降低成本,进行小批量加工,并同时处理具有多种基因型的LCL.
- 它为研究和治疗应用提供了可扩展和潜在更实惠的iPSC生成的有希望的方法.
更多相关视频
10:52Generation of Induced Pluripotent Stem Cells from Frozen Buffy Coats using Non-integrating Episomal Plasmids
Published on: June 5, 2015
13.5K
09:45Generation of Integration-free Induced Pluripotent Stem Cells from Human Peripheral Blood Mononuclear Cells Using Episomal Vectors
Published on: January 1, 2017
11.3K
相关概念视频
Multipotency of Hematopoietic Stem Cells
The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...
Differentiation of Common Myeloid Progenitor Cells
Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
Forced Transdifferentiation
Transdifferentiation, also known as lineage reprogramming, was first discovered by Selman and Kafatos in 1974 in silkmoths. They observed that the moths’ cuticle-producing cells transformed into salt-producing cells. Many such cases of natural transdifferentiation occur in organisms. In humans, pancreatic alpha cells can become beta cells. In newts, the loss of the eye’s lens causes the pigmented epithelial cells to transdifferentiate into the lens cells.
Artificial transdifferentiation occurs...
Artificial transdifferentiation occurs...
